Home / 112,042.64-167,888.77-70,402.16

Finding the Fourth Proportional to 112,042.64, 167,888.77 and 70,402.16

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Solution

The fourth proportional to 112,042.64, 167,888.77 and 70,402.16 is: 105,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,042.64 : 167,888.77 = 70,402.16 : x
  2. Step 2: Convert to fraction form
    112,042.64/167,888.77 = 70,402.16/x
  3. Step 3: Cross multiply
    112,042.64x = 167,888.77 × 70,402.16
  4. Step 4: Simplify right side
    112,042.64x = 11,819,732,291.46
  5. Step 5: Solve for x
    x = 11,819,732,291.46/112,042.64
  6. Step 6: Final answer
    x = 105,493.16

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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.