Home / 114,853.02-158,535.88-78,576.16

Finding the Fourth Proportional to 114,853.02, 158,535.88 and 78,576.16

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Solution

The fourth proportional to 114,853.02, 158,535.88 and 78,576.16 is: 108,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,853.02 : 158,535.88 = 78,576.16 : x
  2. Step 2: Convert to fraction form
    114,853.02/158,535.88 = 78,576.16/x
  3. Step 3: Cross multiply
    114,853.02x = 158,535.88 × 78,576.16
  4. Step 4: Simplify right side
    114,853.02x = 12,457,140,079.84
  5. Step 5: Solve for x
    x = 12,457,140,079.84/114,853.02
  6. Step 6: Final answer
    x = 108,461.58

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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.