Home / 121,244.04-181,866.42-42,358.28

Finding the Fourth Proportional to 121,244.04, 181,866.42 and 42,358.28

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Solution

The fourth proportional to 121,244.04, 181,866.42 and 42,358.28 is: 63,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,244.04 : 181,866.42 = 42,358.28 : x
  2. Step 2: Convert to fraction form
    121,244.04/181,866.42 = 42,358.28/x
  3. Step 3: Cross multiply
    121,244.04x = 181,866.42 × 42,358.28
  4. Step 4: Simplify right side
    121,244.04x = 7,703,547,831.63
  5. Step 5: Solve for x
    x = 7,703,547,831.63/121,244.04
  6. Step 6: Final answer
    x = 63,537.54

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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.