Home / 186,459.18-257,311.35-101,574.42

Finding the Fourth Proportional to 186,459.18, 257,311.35 and 101,574.42

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Solution

The fourth proportional to 186,459.18, 257,311.35 and 101,574.42 is: 140,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,459.18 : 257,311.35 = 101,574.42 : x
  2. Step 2: Convert to fraction form
    186,459.18/257,311.35 = 101,574.42/x
  3. Step 3: Cross multiply
    186,459.18x = 257,311.35 × 101,574.42
  4. Step 4: Simplify right side
    186,459.18x = 26,136,251,135.67
  5. Step 5: Solve for x
    x = 26,136,251,135.67/186,459.18
  6. Step 6: Final answer
    x = 140,171.44

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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.