Home / 127,082.10-190,623.15-70,001.40

Finding the Fourth Proportional to 127,082.10, 190,623.15 and 70,001.40

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Solution

The fourth proportional to 127,082.10, 190,623.15 and 70,001.40 is: 105,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,082.10 : 190,623.15 = 70,001.40 : x
  2. Step 2: Convert to fraction form
    127,082.10/190,623.15 = 70,001.40/x
  3. Step 3: Cross multiply
    127,082.10x = 190,623.15 × 70,001.40
  4. Step 4: Simplify right side
    127,082.10x = 13,343,887,372.41
  5. Step 5: Solve for x
    x = 13,343,887,372.41/127,082.10
  6. Step 6: Final answer
    x = 105,002.10

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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.