Home / 134,509.43-185,615.80-74,068.27

Finding the Fourth Proportional to 134,509.43, 185,615.80 and 74,068.27

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Solution

The fourth proportional to 134,509.43, 185,615.80 and 74,068.27 is: 102,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,509.43 : 185,615.80 = 74,068.27 : x
  2. Step 2: Convert to fraction form
    134,509.43/185,615.80 = 74,068.27/x
  3. Step 3: Cross multiply
    134,509.43x = 185,615.80 × 74,068.27
  4. Step 4: Simplify right side
    134,509.43x = 13,748,240,541.46
  5. Step 5: Solve for x
    x = 13,748,240,541.46/134,509.43
  6. Step 6: Final answer
    x = 102,210.23

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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.