Home / 157,074.70-235,612.05-97,287.60

Finding the Fourth Proportional to 157,074.70, 235,612.05 and 97,287.60

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Solution

The fourth proportional to 157,074.70, 235,612.05 and 97,287.60 is: 145,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,074.70 : 235,612.05 = 97,287.60 : x
  2. Step 2: Convert to fraction form
    157,074.70/235,612.05 = 97,287.60/x
  3. Step 3: Cross multiply
    157,074.70x = 235,612.05 × 97,287.60
  4. Step 4: Simplify right side
    157,074.70x = 22,922,130,875.58
  5. Step 5: Solve for x
    x = 22,922,130,875.58/157,074.70
  6. Step 6: Final answer
    x = 145,931.40

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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.