Home / 124,831.40-187,247.10-118,416.20

Finding the Fourth Proportional to 124,831.40, 187,247.10 and 118,416.20

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Solution

The fourth proportional to 124,831.40, 187,247.10 and 118,416.20 is: 177,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,831.40 : 187,247.10 = 118,416.20 : x
  2. Step 2: Convert to fraction form
    124,831.40/187,247.10 = 118,416.20/x
  3. Step 3: Cross multiply
    124,831.40x = 187,247.10 × 118,416.20
  4. Step 4: Simplify right side
    124,831.40x = 22,173,090,043.02
  5. Step 5: Solve for x
    x = 22,173,090,043.02/124,831.40
  6. Step 6: Final answer
    x = 177,624.30

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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.