Home / 157,516.02-217,413.45-89,572.68

Finding the Fourth Proportional to 157,516.02, 217,413.45 and 89,572.68

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Solution

The fourth proportional to 157,516.02, 217,413.45 and 89,572.68 is: 123,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,516.02 : 217,413.45 = 89,572.68 : x
  2. Step 2: Convert to fraction form
    157,516.02/217,413.45 = 89,572.68/x
  3. Step 3: Cross multiply
    157,516.02x = 217,413.45 × 89,572.68
  4. Step 4: Simplify right side
    157,516.02x = 19,474,305,384.55
  5. Step 5: Solve for x
    x = 19,474,305,384.55/157,516.02
  6. Step 6: Final answer
    x = 123,633.81

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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.