Home / 111,178.12-153,426.04-60,191.38

Finding the Fourth Proportional to 111,178.12, 153,426.04 and 60,191.38

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Solution

The fourth proportional to 111,178.12, 153,426.04 and 60,191.38 is: 83,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,178.12 : 153,426.04 = 60,191.38 : x
  2. Step 2: Convert to fraction form
    111,178.12/153,426.04 = 60,191.38/x
  3. Step 3: Cross multiply
    111,178.12x = 153,426.04 × 60,191.38
  4. Step 4: Simplify right side
    111,178.12x = 9,234,925,075.54
  5. Step 5: Solve for x
    x = 9,234,925,075.54/111,178.12
  6. Step 6: Final answer
    x = 83,064.23

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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.