Home / 211,760.64-292,208.16-126,875.52

Finding the Fourth Proportional to 211,760.64, 292,208.16 and 126,875.52

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Solution

The fourth proportional to 211,760.64, 292,208.16 and 126,875.52 is: 175,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,760.64 : 292,208.16 = 126,875.52 : x
  2. Step 2: Convert to fraction form
    211,760.64/292,208.16 = 126,875.52/x
  3. Step 3: Cross multiply
    211,760.64x = 292,208.16 × 126,875.52
  4. Step 4: Simplify right side
    211,760.64x = 37,074,062,248.24
  5. Step 5: Solve for x
    x = 37,074,062,248.24/211,760.64
  6. Step 6: Final answer
    x = 175,075.32

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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.