Home / 124,280.69-171,508.51-70,566.86

Finding the Fourth Proportional to 124,280.69, 171,508.51 and 70,566.86

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Solution

The fourth proportional to 124,280.69, 171,508.51 and 70,566.86 is: 97,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,280.69 : 171,508.51 = 70,566.86 : x
  2. Step 2: Convert to fraction form
    124,280.69/171,508.51 = 70,566.86/x
  3. Step 3: Cross multiply
    124,280.69x = 171,508.51 × 70,566.86
  4. Step 4: Simplify right side
    124,280.69x = 12,102,817,013.98
  5. Step 5: Solve for x
    x = 12,102,817,013.98/124,280.69
  6. Step 6: Final answer
    x = 97,382.92

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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.