Home / 118,316.51-163,275.54-64,601.36

Finding the Fourth Proportional to 118,316.51, 163,275.54 and 64,601.36

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Solution

The fourth proportional to 118,316.51, 163,275.54 and 64,601.36 is: 89,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,316.51 : 163,275.54 = 64,601.36 : x
  2. Step 2: Convert to fraction form
    118,316.51/163,275.54 = 64,601.36/x
  3. Step 3: Cross multiply
    118,316.51x = 163,275.54 × 64,601.36
  4. Step 4: Simplify right side
    118,316.51x = 10,547,821,938.73
  5. Step 5: Solve for x
    x = 10,547,821,938.73/118,316.51
  6. Step 6: Final answer
    x = 89,149.20

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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.