Home / 113,574.12-156,586.72-93,080.76

Finding the Fourth Proportional to 113,574.12, 156,586.72 and 93,080.76

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Solution

The fourth proportional to 113,574.12, 156,586.72 and 93,080.76 is: 128,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,574.12 : 156,586.72 = 93,080.76 : x
  2. Step 2: Convert to fraction form
    113,574.12/156,586.72 = 93,080.76/x
  3. Step 3: Cross multiply
    113,574.12x = 156,586.72 × 93,080.76
  4. Step 4: Simplify right side
    113,574.12x = 14,575,210,903.51
  5. Step 5: Solve for x
    x = 14,575,210,903.51/113,574.12
  6. Step 6: Final answer
    x = 128,332.15

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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.