Home / 106,516.15-146,957.95-70,713.07

Finding the Fourth Proportional to 106,516.15, 146,957.95 and 70,713.07

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Solution

The fourth proportional to 106,516.15, 146,957.95 and 70,713.07 is: 97,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,516.15 : 146,957.95 = 70,713.07 : x
  2. Step 2: Convert to fraction form
    106,516.15/146,957.95 = 70,713.07/x
  3. Step 3: Cross multiply
    106,516.15x = 146,957.95 × 70,713.07
  4. Step 4: Simplify right side
    106,516.15x = 10,391,847,805.41
  5. Step 5: Solve for x
    x = 10,391,847,805.41/106,516.15
  6. Step 6: Final answer
    x = 97,561.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.