Home / 156,948.64-235,349.28-57,038.40

Finding the Fourth Proportional to 156,948.64, 235,349.28 and 57,038.40

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Solution

The fourth proportional to 156,948.64, 235,349.28 and 57,038.40 is: 85,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,948.64 : 235,349.28 = 57,038.40 : x
  2. Step 2: Convert to fraction form
    156,948.64/235,349.28 = 57,038.40/x
  3. Step 3: Cross multiply
    156,948.64x = 235,349.28 × 57,038.40
  4. Step 4: Simplify right side
    156,948.64x = 13,423,946,372.35
  5. Step 5: Solve for x
    x = 13,423,946,372.35/156,948.64
  6. Step 6: Final answer
    x = 85,530.82

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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.