Home / 316,112.76-474,070.50-105,701.58

Finding the Fourth Proportional to 316,112.76, 474,070.50 and 105,701.58

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Solution

The fourth proportional to 316,112.76, 474,070.50 and 105,701.58 is: 158,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,112.76 : 474,070.50 = 105,701.58 : x
  2. Step 2: Convert to fraction form
    316,112.76/474,070.50 = 105,701.58/x
  3. Step 3: Cross multiply
    316,112.76x = 474,070.50 × 105,701.58
  4. Step 4: Simplify right side
    316,112.76x = 50,110,000,881.39
  5. Step 5: Solve for x
    x = 50,110,000,881.39/316,112.76
  6. Step 6: Final answer
    x = 158,519.39

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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.