Home / 113,511.04-156,506.48-70,995.76

Finding the Fourth Proportional to 113,511.04, 156,506.48 and 70,995.76

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Solution

The fourth proportional to 113,511.04, 156,506.48 and 70,995.76 is: 97,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,511.04 : 156,506.48 = 70,995.76 : x
  2. Step 2: Convert to fraction form
    113,511.04/156,506.48 = 70,995.76/x
  3. Step 3: Cross multiply
    113,511.04x = 156,506.48 × 70,995.76
  4. Step 4: Simplify right side
    113,511.04x = 11,111,296,492.52
  5. Step 5: Solve for x
    x = 11,111,296,492.52/113,511.04
  6. Step 6: Final answer
    x = 97,887.36

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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.