Home / 291,965.51-402,985.80-164,714.92

Finding the Fourth Proportional to 291,965.51, 402,985.80 and 164,714.92

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Solution

The fourth proportional to 291,965.51, 402,985.80 and 164,714.92 is: 227,348.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,965.51 : 402,985.80 = 164,714.92 : x
  2. Step 2: Convert to fraction form
    291,965.51/402,985.80 = 164,714.92/x
  3. Step 3: Cross multiply
    291,965.51x = 402,985.80 × 164,714.92
  4. Step 4: Simplify right side
    291,965.51x = 66,377,773,808.14
  5. Step 5: Solve for x
    x = 66,377,773,808.14/291,965.51
  6. Step 6: Final answer
    x = 227,348.00

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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.