Home / 103,888.04-156,113.45-56,538.14

Finding the Fourth Proportional to 103,888.04, 156,113.45 and 56,538.14

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Solution

The fourth proportional to 103,888.04, 156,113.45 and 56,538.14 is: 84,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,888.04 : 156,113.45 = 56,538.14 : x
  2. Step 2: Convert to fraction form
    103,888.04/156,113.45 = 56,538.14/x
  3. Step 3: Cross multiply
    103,888.04x = 156,113.45 × 56,538.14
  4. Step 4: Simplify right side
    103,888.04x = 8,826,363,809.29
  5. Step 5: Solve for x
    x = 8,826,363,809.29/103,888.04
  6. Step 6: Final answer
    x = 84,960.35

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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.