Home / 287,953.32-397,116.54-180,534.36

Finding the Fourth Proportional to 287,953.32, 397,116.54 and 180,534.36

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Solution

The fourth proportional to 287,953.32, 397,116.54 and 180,534.36 is: 248,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,953.32 : 397,116.54 = 180,534.36 : x
  2. Step 2: Convert to fraction form
    287,953.32/397,116.54 = 180,534.36/x
  3. Step 3: Cross multiply
    287,953.32x = 397,116.54 × 180,534.36
  4. Step 4: Simplify right side
    287,953.32x = 71,693,180,394.31
  5. Step 5: Solve for x
    x = 71,693,180,394.31/287,953.32
  6. Step 6: Final answer
    x = 248,975.01

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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.