Home / 147,381.50-203,419.28-93,656.02

Finding the Fourth Proportional to 147,381.50, 203,419.28 and 93,656.02

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Solution

The fourth proportional to 147,381.50, 203,419.28 and 93,656.02 is: 129,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,381.50 : 203,419.28 = 93,656.02 : x
  2. Step 2: Convert to fraction form
    147,381.50/203,419.28 = 93,656.02/x
  3. Step 3: Cross multiply
    147,381.50x = 203,419.28 × 93,656.02
  4. Step 4: Simplify right side
    147,381.50x = 19,051,440,156.07
  5. Step 5: Solve for x
    x = 19,051,440,156.07/147,381.50
  6. Step 6: Final answer
    x = 129,266.16

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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.