Home / 177,640.10-245,136.02-97,070.40

Finding the Fourth Proportional to 177,640.10, 245,136.02 and 97,070.40

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Solution

The fourth proportional to 177,640.10, 245,136.02 and 97,070.40 is: 133,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,640.10 : 245,136.02 = 97,070.40 : x
  2. Step 2: Convert to fraction form
    177,640.10/245,136.02 = 97,070.40/x
  3. Step 3: Cross multiply
    177,640.10x = 245,136.02 × 97,070.40
  4. Step 4: Simplify right side
    177,640.10x = 23,795,451,515.81
  5. Step 5: Solve for x
    x = 23,795,451,515.81/177,640.10
  6. Step 6: Final answer
    x = 133,953.15

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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.