Home / 147,603.68-221,389.12-52,830.04

Finding the Fourth Proportional to 147,603.68, 221,389.12 and 52,830.04

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Solution

The fourth proportional to 147,603.68, 221,389.12 and 52,830.04 is: 79,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,603.68 : 221,389.12 = 52,830.04 : x
  2. Step 2: Convert to fraction form
    147,603.68/221,389.12 = 52,830.04/x
  3. Step 3: Cross multiply
    147,603.68x = 221,389.12 × 52,830.04
  4. Step 4: Simplify right side
    147,603.68x = 11,695,996,065.16
  5. Step 5: Solve for x
    x = 11,695,996,065.16/147,603.68
  6. Step 6: Final answer
    x = 79,239.19

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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.