Home / 104,953.10-157,429.65-100,870.70

Finding the Fourth Proportional to 104,953.10, 157,429.65 and 100,870.70

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Solution

The fourth proportional to 104,953.10, 157,429.65 and 100,870.70 is: 151,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,953.10 : 157,429.65 = 100,870.70 : x
  2. Step 2: Convert to fraction form
    104,953.10/157,429.65 = 100,870.70/x
  3. Step 3: Cross multiply
    104,953.10x = 157,429.65 × 100,870.70
  4. Step 4: Simplify right side
    104,953.10x = 15,880,038,996.26
  5. Step 5: Solve for x
    x = 15,880,038,996.26/104,953.10
  6. Step 6: Final answer
    x = 151,306.05

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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.