Home / 115,225.80-172,838.70-36,346.18

Finding the Fourth Proportional to 115,225.80, 172,838.70 and 36,346.18

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Solution

The fourth proportional to 115,225.80, 172,838.70 and 36,346.18 is: 54,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,225.80 : 172,838.70 = 36,346.18 : x
  2. Step 2: Convert to fraction form
    115,225.80/172,838.70 = 36,346.18/x
  3. Step 3: Cross multiply
    115,225.80x = 172,838.70 × 36,346.18
  4. Step 4: Simplify right side
    115,225.80x = 6,282,026,501.17
  5. Step 5: Solve for x
    x = 6,282,026,501.17/115,225.80
  6. Step 6: Final answer
    x = 54,519.27

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1.5x scale

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.