Home / 108,461.15-162,527.70-91,730.60

Finding the Fourth Proportional to 108,461.15, 162,527.70 and 91,730.60

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Solution

The fourth proportional to 108,461.15, 162,527.70 and 91,730.60 is: 137,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,461.15 : 162,527.70 = 91,730.60 : x
  2. Step 2: Convert to fraction form
    108,461.15/162,527.70 = 91,730.60/x
  3. Step 3: Cross multiply
    108,461.15x = 162,527.70 × 91,730.60
  4. Step 4: Simplify right side
    108,461.15x = 14,908,763,437.62
  5. Step 5: Solve for x
    x = 14,908,763,437.62/108,461.15
  6. Step 6: Final answer
    x = 137,457.18

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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.