Home / 153,070.02-211,240.56-84,158.64

Finding the Fourth Proportional to 153,070.02, 211,240.56 and 84,158.64

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Solution

The fourth proportional to 153,070.02, 211,240.56 and 84,158.64 is: 116,141.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,070.02 : 211,240.56 = 84,158.64 : x
  2. Step 2: Convert to fraction form
    153,070.02/211,240.56 = 84,158.64/x
  3. Step 3: Cross multiply
    153,070.02x = 211,240.56 × 84,158.64
  4. Step 4: Simplify right side
    153,070.02x = 17,777,718,242.44
  5. Step 5: Solve for x
    x = 17,777,718,242.44/153,070.02
  6. Step 6: Final answer
    x = 116,141.09

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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.