Home / 144,012.30-198,705.18-83,547.93

Finding the Fourth Proportional to 144,012.30, 198,705.18 and 83,547.93

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Solution

The fourth proportional to 144,012.30, 198,705.18 and 83,547.93 is: 115,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,012.30 : 198,705.18 = 83,547.93 : x
  2. Step 2: Convert to fraction form
    144,012.30/198,705.18 = 83,547.93/x
  3. Step 3: Cross multiply
    144,012.30x = 198,705.18 × 83,547.93
  4. Step 4: Simplify right side
    144,012.30x = 16,601,406,469.28
  5. Step 5: Solve for x
    x = 16,601,406,469.28/144,012.30
  6. Step 6: Final answer
    x = 115,277.70

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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.