Home / 156,901.16-235,277.80-56,990.88

Finding the Fourth Proportional to 156,901.16, 235,277.80 and 56,990.88

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Solution

The fourth proportional to 156,901.16, 235,277.80 and 56,990.88 is: 85,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,901.16 : 235,277.80 = 56,990.88 : x
  2. Step 2: Convert to fraction form
    156,901.16/235,277.80 = 56,990.88/x
  3. Step 3: Cross multiply
    156,901.16x = 235,277.80 × 56,990.88
  4. Step 4: Simplify right side
    156,901.16x = 13,408,688,866.46
  5. Step 5: Solve for x
    x = 13,408,688,866.46/156,901.16
  6. Step 6: Final answer
    x = 85,459.46

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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.