Home / 315,632.04-473,479.65-90,997.98

Finding the Fourth Proportional to 315,632.04, 473,479.65 and 90,997.98

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Solution

The fourth proportional to 315,632.04, 473,479.65 and 90,997.98 is: 136,506.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,632.04 : 473,479.65 = 90,997.98 : x
  2. Step 2: Convert to fraction form
    315,632.04/473,479.65 = 90,997.98/x
  3. Step 3: Cross multiply
    315,632.04x = 473,479.65 × 90,997.98
  4. Step 4: Simplify right side
    315,632.04x = 43,085,691,721.11
  5. Step 5: Solve for x
    x = 43,085,691,721.11/315,632.04
  6. Step 6: Final answer
    x = 136,506.08

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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.