Home / 153,946.17-212,445.32-85,962.60

Finding the Fourth Proportional to 153,946.17, 212,445.32 and 85,962.60

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Solution

The fourth proportional to 153,946.17, 212,445.32 and 85,962.60 is: 118,628.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,946.17 : 212,445.32 = 85,962.60 : x
  2. Step 2: Convert to fraction form
    153,946.17/212,445.32 = 85,962.60/x
  3. Step 3: Cross multiply
    153,946.17x = 212,445.32 × 85,962.60
  4. Step 4: Simplify right side
    153,946.17x = 18,262,351,635.22
  5. Step 5: Solve for x
    x = 18,262,351,635.22/153,946.17
  6. Step 6: Final answer
    x = 118,628.16

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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.