Home / 238,065.49-328,529.47-130,637.32

Finding the Fourth Proportional to 238,065.49, 328,529.47 and 130,637.32

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Solution

The fourth proportional to 238,065.49, 328,529.47 and 130,637.32 is: 180,279.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,065.49 : 328,529.47 = 130,637.32 : x
  2. Step 2: Convert to fraction form
    238,065.49/328,529.47 = 130,637.32/x
  3. Step 3: Cross multiply
    238,065.49x = 328,529.47 × 130,637.32
  4. Step 4: Simplify right side
    238,065.49x = 42,918,209,501.82
  5. Step 5: Solve for x
    x = 42,918,209,501.82/238,065.49
  6. Step 6: Final answer
    x = 180,279.00

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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.