Home / 157,621.60-236,432.40-143,106.40

Finding the Fourth Proportional to 157,621.60, 236,432.40 and 143,106.40

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Solution

The fourth proportional to 157,621.60, 236,432.40 and 143,106.40 is: 214,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,621.60 : 236,432.40 = 143,106.40 : x
  2. Step 2: Convert to fraction form
    157,621.60/236,432.40 = 143,106.40/x
  3. Step 3: Cross multiply
    157,621.60x = 236,432.40 × 143,106.40
  4. Step 4: Simplify right side
    157,621.60x = 33,834,989,607.36
  5. Step 5: Solve for x
    x = 33,834,989,607.36/157,621.60
  6. Step 6: Final answer
    x = 214,659.60

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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.