Home / 118,451.07-163,356.66-98,276.00

Finding the Fourth Proportional to 118,451.07, 163,356.66 and 98,276.00

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Solution

The fourth proportional to 118,451.07, 163,356.66 and 98,276.00 is: 135,533.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,451.07 : 163,356.66 = 98,276.00 : x
  2. Step 2: Convert to fraction form
    118,451.07/163,356.66 = 98,276.00/x
  3. Step 3: Cross multiply
    118,451.07x = 163,356.66 × 98,276.00
  4. Step 4: Simplify right side
    118,451.07x = 16,054,038,301.38
  5. Step 5: Solve for x
    x = 16,054,038,301.38/118,451.07
  6. Step 6: Final answer
    x = 135,533.08

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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.