Home / 315,931-473,971.38-94,320.76

Finding the Fourth Proportional to 315,931, 473,971.38 and 94,320.76

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Solution

The fourth proportional to 315,931, 473,971.38 and 94,320.76 is: 141,503.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,931 : 473,971.38 = 94,320.76 : x
  2. Step 2: Convert to fraction form
    315,931/473,971.38 = 94,320.76/x
  3. Step 3: Cross multiply
    315,931x = 473,971.38 × 94,320.76
  4. Step 4: Simplify right side
    315,931x = 44,705,340,779.85
  5. Step 5: Solve for x
    x = 44,705,340,779.85/315,931
  6. Step 6: Final answer
    x = 141,503.50

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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.