Home / 153,442.17-230,015.63-78,597.56

Finding the Fourth Proportional to 153,442.17, 230,015.63 and 78,597.56

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Solution

The fourth proportional to 153,442.17, 230,015.63 and 78,597.56 is: 117,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,442.17 : 230,015.63 = 78,597.56 : x
  2. Step 2: Convert to fraction form
    153,442.17/230,015.63 = 78,597.56/x
  3. Step 3: Cross multiply
    153,442.17x = 230,015.63 × 78,597.56
  4. Step 4: Simplify right side
    153,442.17x = 18,078,666,886.88
  5. Step 5: Solve for x
    x = 18,078,666,886.88/153,442.17
  6. Step 6: Final answer
    x = 117,820.72

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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.