Home / 124,339.24-186,528.30-77,916.52

Finding the Fourth Proportional to 124,339.24, 186,528.30 and 77,916.52

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Solution

The fourth proportional to 124,339.24, 186,528.30 and 77,916.52 is: 116,886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,339.24 : 186,528.30 = 77,916.52 : x
  2. Step 2: Convert to fraction form
    124,339.24/186,528.30 = 77,916.52/x
  3. Step 3: Cross multiply
    124,339.24x = 186,528.30 × 77,916.52
  4. Step 4: Simplify right side
    124,339.24x = 14,533,636,017.52
  5. Step 5: Solve for x
    x = 14,533,636,017.52/124,339.24
  6. Step 6: Final answer
    x = 116,886.96

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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.