Home / 141,304.51-195,000.38-77,646.07

Finding the Fourth Proportional to 141,304.51, 195,000.38 and 77,646.07

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Solution

The fourth proportional to 141,304.51, 195,000.38 and 77,646.07 is: 107,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,304.51 : 195,000.38 = 77,646.07 : x
  2. Step 2: Convert to fraction form
    141,304.51/195,000.38 = 77,646.07/x
  3. Step 3: Cross multiply
    141,304.51x = 195,000.38 × 77,646.07
  4. Step 4: Simplify right side
    141,304.51x = 15,141,013,155.51
  5. Step 5: Solve for x
    x = 15,141,013,155.51/141,304.51
  6. Step 6: Final answer
    x = 107,151.66

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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.