Home / 127,287.71-190,931.55-32,518.10

Finding the Fourth Proportional to 127,287.71, 190,931.55 and 32,518.10

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Solution

The fourth proportional to 127,287.71, 190,931.55 and 32,518.10 is: 48,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,287.71 : 190,931.55 = 32,518.10 : x
  2. Step 2: Convert to fraction form
    127,287.71/190,931.55 = 32,518.10/x
  3. Step 3: Cross multiply
    127,287.71x = 190,931.55 × 32,518.10
  4. Step 4: Simplify right side
    127,287.71x = 6,208,730,523.32
  5. Step 5: Solve for x
    x = 6,208,730,523.32/127,287.71
  6. Step 6: Final answer
    x = 48,777.14

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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.