Home / 157,534.32-217,389.76-93,870.72

Finding the Fourth Proportional to 157,534.32, 217,389.76 and 93,870.72

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Solution

The fourth proportional to 157,534.32, 217,389.76 and 93,870.72 is: 129,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,534.32 : 217,389.76 = 93,870.72 : x
  2. Step 2: Convert to fraction form
    157,534.32/217,389.76 = 93,870.72/x
  3. Step 3: Cross multiply
    157,534.32x = 217,389.76 × 93,870.72
  4. Step 4: Simplify right side
    157,534.32x = 20,406,533,291.83
  5. Step 5: Solve for x
    x = 20,406,533,291.83/157,534.32
  6. Step 6: Final answer
    x = 129,537.06

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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.