Home / 169,888.32-254,838.96-86,685.12

Finding the Fourth Proportional to 169,888.32, 254,838.96 and 86,685.12

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Solution

The fourth proportional to 169,888.32, 254,838.96 and 86,685.12 is: 130,030.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,888.32 : 254,838.96 = 86,685.12 : x
  2. Step 2: Convert to fraction form
    169,888.32/254,838.96 = 86,685.12/x
  3. Step 3: Cross multiply
    169,888.32x = 254,838.96 × 86,685.12
  4. Step 4: Simplify right side
    169,888.32x = 22,090,745,828.28
  5. Step 5: Solve for x
    x = 22,090,745,828.28/169,888.32
  6. Step 6: Final answer
    x = 130,030.99

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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.