Home / 157,015.20-235,479.60-63,530.40

Finding the Fourth Proportional to 157,015.20, 235,479.60 and 63,530.40

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Solution

The fourth proportional to 157,015.20, 235,479.60 and 63,530.40 is: 95,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,015.20 : 235,479.60 = 63,530.40 : x
  2. Step 2: Convert to fraction form
    157,015.20/235,479.60 = 63,530.40/x
  3. Step 3: Cross multiply
    157,015.20x = 235,479.60 × 63,530.40
  4. Step 4: Simplify right side
    157,015.20x = 14,960,113,179.84
  5. Step 5: Solve for x
    x = 14,960,113,179.84/157,015.20
  6. Step 6: Final answer
    x = 95,278.12

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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.