Home / 145,547.73-218,309.09-88,606.85

Finding the Fourth Proportional to 145,547.73, 218,309.09 and 88,606.85

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Solution

The fourth proportional to 145,547.73, 218,309.09 and 88,606.85 is: 132,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,547.73 : 218,309.09 = 88,606.85 : x
  2. Step 2: Convert to fraction form
    145,547.73/218,309.09 = 88,606.85/x
  3. Step 3: Cross multiply
    145,547.73x = 218,309.09 × 88,606.85
  4. Step 4: Simplify right side
    145,547.73x = 19,343,680,791.27
  5. Step 5: Solve for x
    x = 19,343,680,791.27/145,547.73
  6. Step 6: Final answer
    x = 132,902.66

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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.