Home / 132,875.28-183,264.16-85,133.08

Finding the Fourth Proportional to 132,875.28, 183,264.16 and 85,133.08

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Solution

The fourth proportional to 132,875.28, 183,264.16 and 85,133.08 is: 117,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,875.28 : 183,264.16 = 85,133.08 : x
  2. Step 2: Convert to fraction form
    132,875.28/183,264.16 = 85,133.08/x
  3. Step 3: Cross multiply
    132,875.28x = 183,264.16 × 85,133.08
  4. Step 4: Simplify right side
    132,875.28x = 15,601,842,394.41
  5. Step 5: Solve for x
    x = 15,601,842,394.41/132,875.28
  6. Step 6: Final answer
    x = 117,417.19

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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.