Home / 134,689.36-185,872.32-74,262.16

Finding the Fourth Proportional to 134,689.36, 185,872.32 and 74,262.16

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Solution

The fourth proportional to 134,689.36, 185,872.32 and 74,262.16 is: 102,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,689.36 : 185,872.32 = 74,262.16 : x
  2. Step 2: Convert to fraction form
    134,689.36/185,872.32 = 74,262.16/x
  3. Step 3: Cross multiply
    134,689.36x = 185,872.32 × 74,262.16
  4. Step 4: Simplify right side
    134,689.36x = 13,803,279,967.41
  5. Step 5: Solve for x
    x = 13,803,279,967.41/134,689.36
  6. Step 6: Final answer
    x = 102,482.33

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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.