Home / 118,174.01-163,080.63-64,460.18

Finding the Fourth Proportional to 118,174.01, 163,080.63 and 64,460.18

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Solution

The fourth proportional to 118,174.01, 163,080.63 and 64,460.18 is: 88,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,174.01 : 163,080.63 = 64,460.18 : x
  2. Step 2: Convert to fraction form
    118,174.01/163,080.63 = 64,460.18/x
  3. Step 3: Cross multiply
    118,174.01x = 163,080.63 × 64,460.18
  4. Step 4: Simplify right side
    118,174.01x = 10,512,205,948.91
  5. Step 5: Solve for x
    x = 10,512,205,948.91/118,174.01
  6. Step 6: Final answer
    x = 88,955.32

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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.