Home / 156,838.61-235,277.96-57,045.80

Finding the Fourth Proportional to 156,838.61, 235,277.96 and 57,045.80

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Solution

The fourth proportional to 156,838.61, 235,277.96 and 57,045.80 is: 85,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,838.61 : 235,277.96 = 57,045.80 : x
  2. Step 2: Convert to fraction form
    156,838.61/235,277.96 = 57,045.80/x
  3. Step 3: Cross multiply
    156,838.61x = 235,277.96 × 57,045.80
  4. Step 4: Simplify right side
    156,838.61x = 13,421,617,988.95
  5. Step 5: Solve for x
    x = 13,421,617,988.95/156,838.61
  6. Step 6: Final answer
    x = 85,575.98

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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.