Home / 107,137.04-147,846.12-64,680.08

Finding the Fourth Proportional to 107,137.04, 147,846.12 and 64,680.08

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Solution

The fourth proportional to 107,137.04, 147,846.12 and 64,680.08 is: 89,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,137.04 : 147,846.12 = 64,680.08 : x
  2. Step 2: Convert to fraction form
    107,137.04/147,846.12 = 64,680.08/x
  3. Step 3: Cross multiply
    107,137.04x = 147,846.12 × 64,680.08
  4. Step 4: Simplify right side
    107,137.04x = 9,562,698,869.29
  5. Step 5: Solve for x
    x = 9,562,698,869.29/107,137.04
  6. Step 6: Final answer
    x = 89,256.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.