Home / 118,347.02-163,318.05-64,632.05

Finding the Fourth Proportional to 118,347.02, 163,318.05 and 64,632.05

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Solution

The fourth proportional to 118,347.02, 163,318.05 and 64,632.05 is: 89,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,347.02 : 163,318.05 = 64,632.05 : x
  2. Step 2: Convert to fraction form
    118,347.02/163,318.05 = 64,632.05/x
  3. Step 3: Cross multiply
    118,347.02x = 163,318.05 × 64,632.05
  4. Step 4: Simplify right side
    118,347.02x = 10,555,579,556.91
  5. Step 5: Solve for x
    x = 10,555,579,556.91/118,347.02
  6. Step 6: Final answer
    x = 89,191.77

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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.