Home / 657,688.15-986,155.41-202,160.76

Finding the Fourth Proportional to 657,688.15, 986,155.41 and 202,160.76

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Solution

The fourth proportional to 657,688.15, 986,155.41 and 202,160.76 is: 303,125.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,688.15 : 986,155.41 = 202,160.76 : x
  2. Step 2: Convert to fraction form
    657,688.15/986,155.41 = 202,160.76/x
  3. Step 3: Cross multiply
    657,688.15x = 986,155.41 × 202,160.76
  4. Step 4: Simplify right side
    657,688.15x = 199,361,927,163.71
  5. Step 5: Solve for x
    x = 199,361,927,163.71/657,688.15
  6. Step 6: Final answer
    x = 303,125.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.