Home / 116,666.04-160,913.19-87,986.91

Finding the Fourth Proportional to 116,666.04, 160,913.19 and 87,986.91

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Solution

The fourth proportional to 116,666.04, 160,913.19 and 87,986.91 is: 121,357.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,666.04 : 160,913.19 = 87,986.91 : x
  2. Step 2: Convert to fraction form
    116,666.04/160,913.19 = 87,986.91/x
  3. Step 3: Cross multiply
    116,666.04x = 160,913.19 × 87,986.91
  4. Step 4: Simplify right side
    116,666.04x = 14,158,254,366.34
  5. Step 5: Solve for x
    x = 14,158,254,366.34/116,666.04
  6. Step 6: Final answer
    x = 121,357.12

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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.