Home / 118,316.34-163,277.04-64,602.54

Finding the Fourth Proportional to 118,316.34, 163,277.04 and 64,602.54

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Solution

The fourth proportional to 118,316.34, 163,277.04 and 64,602.54 is: 89,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,316.34 : 163,277.04 = 64,602.54 : x
  2. Step 2: Convert to fraction form
    118,316.34/163,277.04 = 64,602.54/x
  3. Step 3: Cross multiply
    118,316.34x = 163,277.04 × 64,602.54
  4. Step 4: Simplify right side
    118,316.34x = 10,548,111,507.68
  5. Step 5: Solve for x
    x = 10,548,111,507.68/118,316.34
  6. Step 6: Final answer
    x = 89,151.77

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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.