Home / 141,583.02-195,384.45-77,920.86

Finding the Fourth Proportional to 141,583.02, 195,384.45 and 77,920.86

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Solution

The fourth proportional to 141,583.02, 195,384.45 and 77,920.86 is: 107,530.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,583.02 : 195,384.45 = 77,920.86 : x
  2. Step 2: Convert to fraction form
    141,583.02/195,384.45 = 77,920.86/x
  3. Step 3: Cross multiply
    141,583.02x = 195,384.45 × 77,920.86
  4. Step 4: Simplify right side
    141,583.02x = 15,224,524,374.63
  5. Step 5: Solve for x
    x = 15,224,524,374.63/141,583.02
  6. Step 6: Final answer
    x = 107,530.72

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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.