Home / 190,689.93-286,025.63-70,770.24

Finding the Fourth Proportional to 190,689.93, 286,025.63 and 70,770.24

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Solution

The fourth proportional to 190,689.93, 286,025.63 and 70,770.24 is: 106,151.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,689.93 : 286,025.63 = 70,770.24 : x
  2. Step 2: Convert to fraction form
    190,689.93/286,025.63 = 70,770.24/x
  3. Step 3: Cross multiply
    190,689.93x = 286,025.63 × 70,770.24
  4. Step 4: Simplify right side
    190,689.93x = 20,242,102,127.40
  5. Step 5: Solve for x
    x = 20,242,102,127.40/190,689.93
  6. Step 6: Final answer
    x = 106,151.92

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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.