Home / 146,545.32-202,233.90-86,117.28

Finding the Fourth Proportional to 146,545.32, 202,233.90 and 86,117.28

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Solution

The fourth proportional to 146,545.32, 202,233.90 and 86,117.28 is: 118,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,545.32 : 202,233.90 = 86,117.28 : x
  2. Step 2: Convert to fraction form
    146,545.32/202,233.90 = 86,117.28/x
  3. Step 3: Cross multiply
    146,545.32x = 202,233.90 × 86,117.28
  4. Step 4: Simplify right side
    146,545.32x = 17,415,833,391.79
  5. Step 5: Solve for x
    x = 17,415,833,391.79/146,545.32
  6. Step 6: Final answer
    x = 118,842.64

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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.