Home / 141,366.47-195,085.87-77,702.90

Finding the Fourth Proportional to 141,366.47, 195,085.87 and 77,702.90

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Solution

The fourth proportional to 141,366.47, 195,085.87 and 77,702.90 is: 107,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,366.47 : 195,085.87 = 77,702.90 : x
  2. Step 2: Convert to fraction form
    141,366.47/195,085.87 = 77,702.90/x
  3. Step 3: Cross multiply
    141,366.47x = 195,085.87 × 77,702.90
  4. Step 4: Simplify right side
    141,366.47x = 15,158,736,678.34
  5. Step 5: Solve for x
    x = 15,158,736,678.34/141,366.47
  6. Step 6: Final answer
    x = 107,230.08

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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.