Home / 132,987.16-183,497.22-79,277.17

Finding the Fourth Proportional to 132,987.16, 183,497.22 and 79,277.17

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Solution

The fourth proportional to 132,987.16, 183,497.22 and 79,277.17 is: 109,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,987.16 : 183,497.22 = 79,277.17 : x
  2. Step 2: Convert to fraction form
    132,987.16/183,497.22 = 79,277.17/x
  3. Step 3: Cross multiply
    132,987.16x = 183,497.22 × 79,277.17
  4. Step 4: Simplify right side
    132,987.16x = 14,547,140,304.47
  5. Step 5: Solve for x
    x = 14,547,140,304.47/132,987.16
  6. Step 6: Final answer
    x = 109,387.56

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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.