Home / 157,014.80-235,522.20-139,811.60

Finding the Fourth Proportional to 157,014.80, 235,522.20 and 139,811.60

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Solution

The fourth proportional to 157,014.80, 235,522.20 and 139,811.60 is: 209,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,014.80 : 235,522.20 = 139,811.60 : x
  2. Step 2: Convert to fraction form
    157,014.80/235,522.20 = 139,811.60/x
  3. Step 3: Cross multiply
    157,014.80x = 235,522.20 × 139,811.60
  4. Step 4: Simplify right side
    157,014.80x = 32,928,735,617.52
  5. Step 5: Solve for x
    x = 32,928,735,617.52/157,014.80
  6. Step 6: Final answer
    x = 209,717.40

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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.