Home / 156,947.70-235,347.35-57,038.26

Finding the Fourth Proportional to 156,947.70, 235,347.35 and 57,038.26

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Solution

The fourth proportional to 156,947.70, 235,347.35 and 57,038.26 is: 85,530.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,947.70 : 235,347.35 = 57,038.26 : x
  2. Step 2: Convert to fraction form
    156,947.70/235,347.35 = 57,038.26/x
  3. Step 3: Cross multiply
    156,947.70x = 235,347.35 × 57,038.26
  4. Step 4: Simplify right side
    156,947.70x = 13,423,803,339.61
  5. Step 5: Solve for x
    x = 13,423,803,339.61/156,947.70
  6. Step 6: Final answer
    x = 85,530.42

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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.