Home / 157,459.95-236,118.85-45,114.46

Finding the Fourth Proportional to 157,459.95, 236,118.85 and 45,114.46

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Solution

The fourth proportional to 157,459.95, 236,118.85 and 45,114.46 is: 67,651.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,459.95 : 236,118.85 = 45,114.46 : x
  2. Step 2: Convert to fraction form
    157,459.95/236,118.85 = 45,114.46/x
  3. Step 3: Cross multiply
    157,459.95x = 236,118.85 × 45,114.46
  4. Step 4: Simplify right side
    157,459.95x = 10,652,373,710.49
  5. Step 5: Solve for x
    x = 10,652,373,710.49/157,459.95
  6. Step 6: Final answer
    x = 67,651.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.