Home / 134,904.27-186,166.85-74,475

Finding the Fourth Proportional to 134,904.27, 186,166.85 and 74,475

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Solution

The fourth proportional to 134,904.27, 186,166.85 and 74,475 is: 102,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,904.27 : 186,166.85 = 74,475 : x
  2. Step 2: Convert to fraction form
    134,904.27/186,166.85 = 74,475/x
  3. Step 3: Cross multiply
    134,904.27x = 186,166.85 × 74,475
  4. Step 4: Simplify right side
    134,904.27x = 13,864,776,153.75
  5. Step 5: Solve for x
    x = 13,864,776,153.75/134,904.27
  6. Step 6: Final answer
    x = 102,774.92

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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.