Home / 157,862.34-217,849.23-86,246.46

Finding the Fourth Proportional to 157,862.34, 217,849.23 and 86,246.46

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Solution

The fourth proportional to 157,862.34, 217,849.23 and 86,246.46 is: 119,019.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,862.34 : 217,849.23 = 86,246.46 : x
  2. Step 2: Convert to fraction form
    157,862.34/217,849.23 = 86,246.46/x
  3. Step 3: Cross multiply
    157,862.34x = 217,849.23 × 86,246.46
  4. Step 4: Simplify right side
    157,862.34x = 18,788,724,901.23
  5. Step 5: Solve for x
    x = 18,788,724,901.23/157,862.34
  6. Step 6: Final answer
    x = 119,019.68

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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.