Home / 118,030.90-162,880.56-64,316.26

Finding the Fourth Proportional to 118,030.90, 162,880.56 and 64,316.26

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Solution

The fourth proportional to 118,030.90, 162,880.56 and 64,316.26 is: 88,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,030.90 : 162,880.56 = 64,316.26 : x
  2. Step 2: Convert to fraction form
    118,030.90/162,880.56 = 64,316.26/x
  3. Step 3: Cross multiply
    118,030.90x = 162,880.56 × 64,316.26
  4. Step 4: Simplify right side
    118,030.90x = 10,475,868,445.91
  5. Step 5: Solve for x
    x = 10,475,868,445.91/118,030.90
  6. Step 6: Final answer
    x = 88,755.30

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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.