Home / 123,570.03-186,225.54-111,737.28

Finding the Fourth Proportional to 123,570.03, 186,225.54 and 111,737.28

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Solution

The fourth proportional to 123,570.03, 186,225.54 and 111,737.28 is: 168,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,570.03 : 186,225.54 = 111,737.28 : x
  2. Step 2: Convert to fraction form
    123,570.03/186,225.54 = 111,737.28/x
  3. Step 3: Cross multiply
    123,570.03x = 186,225.54 × 111,737.28
  4. Step 4: Simplify right side
    123,570.03x = 20,808,335,306.13
  5. Step 5: Solve for x
    x = 20,808,335,306.13/123,570.03
  6. Step 6: Final answer
    x = 168,393.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.