Home / 118,344.02-163,313.91-64,629.05

Finding the Fourth Proportional to 118,344.02, 163,313.91 and 64,629.05

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Solution

The fourth proportional to 118,344.02, 163,313.91 and 64,629.05 is: 89,187.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,344.02 : 163,313.91 = 64,629.05 : x
  2. Step 2: Convert to fraction form
    118,344.02/163,313.91 = 64,629.05/x
  3. Step 3: Cross multiply
    118,344.02x = 163,313.91 × 64,629.05
  4. Step 4: Simplify right side
    118,344.02x = 10,554,822,038.52
  5. Step 5: Solve for x
    x = 10,554,822,038.52/118,344.02
  6. Step 6: Final answer
    x = 89,187.63

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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.