Home / 134,640.01-185,802.18-74,210.77

Finding the Fourth Proportional to 134,640.01, 185,802.18 and 74,210.77

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Solution

The fourth proportional to 134,640.01, 185,802.18 and 74,210.77 is: 102,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,640.01 : 185,802.18 = 74,210.77 : x
  2. Step 2: Convert to fraction form
    134,640.01/185,802.18 = 74,210.77/x
  3. Step 3: Cross multiply
    134,640.01x = 185,802.18 × 74,210.77
  4. Step 4: Simplify right side
    134,640.01x = 13,788,521,916.47
  5. Step 5: Solve for x
    x = 13,788,521,916.47/134,640.01
  6. Step 6: Final answer
    x = 102,410.29

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1.5x scale

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.