Home / 134,882.47-186,139.36-74,453.16

Finding the Fourth Proportional to 134,882.47, 186,139.36 and 74,453.16

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Solution

The fourth proportional to 134,882.47, 186,139.36 and 74,453.16 is: 102,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,882.47 : 186,139.36 = 74,453.16 : x
  2. Step 2: Convert to fraction form
    134,882.47/186,139.36 = 74,453.16/x
  3. Step 3: Cross multiply
    134,882.47x = 186,139.36 × 74,453.16
  4. Step 4: Simplify right side
    134,882.47x = 13,858,663,552.38
  5. Step 5: Solve for x
    x = 13,858,663,552.38/134,882.47
  6. Step 6: Final answer
    x = 102,746.22

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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.