Home / 127,038.28-190,549.74-56,898.76

Finding the Fourth Proportional to 127,038.28, 190,549.74 and 56,898.76

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Solution

The fourth proportional to 127,038.28, 190,549.74 and 56,898.76 is: 85,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,038.28 : 190,549.74 = 56,898.76 : x
  2. Step 2: Convert to fraction form
    127,038.28/190,549.74 = 56,898.76/x
  3. Step 3: Cross multiply
    127,038.28x = 190,549.74 × 56,898.76
  4. Step 4: Simplify right side
    127,038.28x = 10,842,043,924.32
  5. Step 5: Solve for x
    x = 10,842,043,924.32/127,038.28
  6. Step 6: Final answer
    x = 85,344.70

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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.