Home / 134,801.04-186,027.20-74,374.16

Finding the Fourth Proportional to 134,801.04, 186,027.20 and 74,374.16

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Solution

The fourth proportional to 134,801.04, 186,027.20 and 74,374.16 is: 102,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,801.04 : 186,027.20 = 74,374.16 : x
  2. Step 2: Convert to fraction form
    134,801.04/186,027.20 = 74,374.16/x
  3. Step 3: Cross multiply
    134,801.04x = 186,027.20 × 74,374.16
  4. Step 4: Simplify right side
    134,801.04x = 13,835,616,737.15
  5. Step 5: Solve for x
    x = 13,835,616,737.15/134,801.04
  6. Step 6: Final answer
    x = 102,637.31

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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.