Home / 103,613.61-155,254.30-93,649.13

Finding the Fourth Proportional to 103,613.61, 155,254.30 and 93,649.13

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Solution

The fourth proportional to 103,613.61, 155,254.30 and 93,649.13 is: 140,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,613.61 : 155,254.30 = 93,649.13 : x
  2. Step 2: Convert to fraction form
    103,613.61/155,254.30 = 93,649.13/x
  3. Step 3: Cross multiply
    103,613.61x = 155,254.30 × 93,649.13
  4. Step 4: Simplify right side
    103,613.61x = 14,539,430,123.76
  5. Step 5: Solve for x
    x = 14,539,430,123.76/103,613.61
  6. Step 6: Final answer
    x = 140,323.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.