Home / 112,199.15-168,211.17-56,011.07

Finding the Fourth Proportional to 112,199.15, 168,211.17 and 56,011.07

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Solution

The fourth proportional to 112,199.15, 168,211.17 and 56,011.07 is: 83,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,199.15 : 168,211.17 = 56,011.07 : x
  2. Step 2: Convert to fraction form
    112,199.15/168,211.17 = 56,011.07/x
  3. Step 3: Cross multiply
    112,199.15x = 168,211.17 × 56,011.07
  4. Step 4: Simplify right side
    112,199.15x = 9,421,688,038.18
  5. Step 5: Solve for x
    x = 9,421,688,038.18/112,199.15
  6. Step 6: Final answer
    x = 83,972.90

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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.