Home / 127,219.83-175,563.36-70,631.16

Finding the Fourth Proportional to 127,219.83, 175,563.36 and 70,631.16

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Solution

The fourth proportional to 127,219.83, 175,563.36 and 70,631.16 is: 97,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,219.83 : 175,563.36 = 70,631.16 : x
  2. Step 2: Convert to fraction form
    127,219.83/175,563.36 = 70,631.16/x
  3. Step 3: Cross multiply
    127,219.83x = 175,563.36 × 70,631.16
  4. Step 4: Simplify right side
    127,219.83x = 12,400,243,770.30
  5. Step 5: Solve for x
    x = 12,400,243,770.30/127,219.83
  6. Step 6: Final answer
    x = 97,471.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.