Home / 113,047.13-156,005.64-70,630.26

Finding the Fourth Proportional to 113,047.13, 156,005.64 and 70,630.26

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Solution

The fourth proportional to 113,047.13, 156,005.64 and 70,630.26 is: 97,470.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,047.13 : 156,005.64 = 70,630.26 : x
  2. Step 2: Convert to fraction form
    113,047.13/156,005.64 = 70,630.26/x
  3. Step 3: Cross multiply
    113,047.13x = 156,005.64 × 70,630.26
  4. Step 4: Simplify right side
    113,047.13x = 11,018,718,914.67
  5. Step 5: Solve for x
    x = 11,018,718,914.67/113,047.13
  6. Step 6: Final answer
    x = 97,470.14

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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.