Home / 119,258.81-178,920.47-40,373.04

Finding the Fourth Proportional to 119,258.81, 178,920.47 and 40,373.04

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Solution

The fourth proportional to 119,258.81, 178,920.47 and 40,373.04 is: 60,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,258.81 : 178,920.47 = 40,373.04 : x
  2. Step 2: Convert to fraction form
    119,258.81/178,920.47 = 40,373.04/x
  3. Step 3: Cross multiply
    119,258.81x = 178,920.47 × 40,373.04
  4. Step 4: Simplify right side
    119,258.81x = 7,223,563,393.06
  5. Step 5: Solve for x
    x = 7,223,563,393.06/119,258.81
  6. Step 6: Final answer
    x = 60,570.48

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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.