Home / 185,916.24-256,567.68-105,341.76

Finding the Fourth Proportional to 185,916.24, 256,567.68 and 105,341.76

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Solution

The fourth proportional to 185,916.24, 256,567.68 and 105,341.76 is: 145,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,916.24 : 256,567.68 = 105,341.76 : x
  2. Step 2: Convert to fraction form
    185,916.24/256,567.68 = 105,341.76/x
  3. Step 3: Cross multiply
    185,916.24x = 256,567.68 × 105,341.76
  4. Step 4: Simplify right side
    185,916.24x = 27,027,290,970.32
  5. Step 5: Solve for x
    x = 27,027,290,970.32/185,916.24
  6. Step 6: Final answer
    x = 145,373.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.