Home / 292,528.02-438,809.04-82,182.36

Finding the Fourth Proportional to 292,528.02, 438,809.04 and 82,182.36

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Solution

The fourth proportional to 292,528.02, 438,809.04 and 82,182.36 is: 123,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,528.02 : 438,809.04 = 82,182.36 : x
  2. Step 2: Convert to fraction form
    292,528.02/438,809.04 = 82,182.36/x
  3. Step 3: Cross multiply
    292,528.02x = 438,809.04 × 82,182.36
  4. Step 4: Simplify right side
    292,528.02x = 36,062,362,496.53
  5. Step 5: Solve for x
    x = 36,062,362,496.53/292,528.02
  6. Step 6: Final answer
    x = 123,278.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.