Home / 185,587.36-278,381.04-45,345.76

Finding the Fourth Proportional to 185,587.36, 278,381.04 and 45,345.76

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Solution

The fourth proportional to 185,587.36, 278,381.04 and 45,345.76 is: 68,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,587.36 : 278,381.04 = 45,345.76 : x
  2. Step 2: Convert to fraction form
    185,587.36/278,381.04 = 45,345.76/x
  3. Step 3: Cross multiply
    185,587.36x = 278,381.04 × 45,345.76
  4. Step 4: Simplify right side
    185,587.36x = 12,623,399,828.39
  5. Step 5: Solve for x
    x = 12,623,399,828.39/185,587.36
  6. Step 6: Final answer
    x = 68,018.64

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1.5x scale

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.