Home / 156,357.48-234,561.12-56,507.55

Finding the Fourth Proportional to 156,357.48, 234,561.12 and 56,507.55

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Solution

The fourth proportional to 156,357.48, 234,561.12 and 56,507.55 is: 84,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,357.48 : 234,561.12 = 56,507.55 : x
  2. Step 2: Convert to fraction form
    156,357.48/234,561.12 = 56,507.55/x
  3. Step 3: Cross multiply
    156,357.48x = 234,561.12 × 56,507.55
  4. Step 4: Simplify right side
    156,357.48x = 13,254,474,216.46
  5. Step 5: Solve for x
    x = 13,254,474,216.46/156,357.48
  6. Step 6: Final answer
    x = 84,770.32

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1.5x scale

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.