Home / 101,618.45-140,225.23-56,298.35

Finding the Fourth Proportional to 101,618.45, 140,225.23 and 56,298.35

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Solution

The fourth proportional to 101,618.45, 140,225.23 and 56,298.35 is: 77,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,618.45 : 140,225.23 = 56,298.35 : x
  2. Step 2: Convert to fraction form
    101,618.45/140,225.23 = 56,298.35/x
  3. Step 3: Cross multiply
    101,618.45x = 140,225.23 × 56,298.35
  4. Step 4: Simplify right side
    101,618.45x = 7,894,448,094.75
  5. Step 5: Solve for x
    x = 7,894,448,094.75/101,618.45
  6. Step 6: Final answer
    x = 77,687.15

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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.