Home / 104,216.40-143,818.02-58,909.05

Finding the Fourth Proportional to 104,216.40, 143,818.02 and 58,909.05

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Solution

The fourth proportional to 104,216.40, 143,818.02 and 58,909.05 is: 81,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,216.40 : 143,818.02 = 58,909.05 : x
  2. Step 2: Convert to fraction form
    104,216.40/143,818.02 = 58,909.05/x
  3. Step 3: Cross multiply
    104,216.40x = 143,818.02 × 58,909.05
  4. Step 4: Simplify right side
    104,216.40x = 8,472,182,931.08
  5. Step 5: Solve for x
    x = 8,472,182,931.08/104,216.40
  6. Step 6: Final answer
    x = 81,294.14

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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.