Home / 157,092.10-235,378.95-78,036.10

Finding the Fourth Proportional to 157,092.10, 235,378.95 and 78,036.10

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Solution

The fourth proportional to 157,092.10, 235,378.95 and 78,036.10 is: 116,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,092.10 : 235,378.95 = 78,036.10 : x
  2. Step 2: Convert to fraction form
    157,092.10/235,378.95 = 78,036.10/x
  3. Step 3: Cross multiply
    157,092.10x = 235,378.95 × 78,036.10
  4. Step 4: Simplify right side
    157,092.10x = 18,368,055,280.10
  5. Step 5: Solve for x
    x = 18,368,055,280.10/157,092.10
  6. Step 6: Final answer
    x = 116,925.39

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1.5x scale

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.