Home / 369,769.08-510,252.30-208,663.32

Finding the Fourth Proportional to 369,769.08, 510,252.30 and 208,663.32

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Solution

The fourth proportional to 369,769.08, 510,252.30 and 208,663.32 is: 287,939.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,769.08 : 510,252.30 = 208,663.32 : x
  2. Step 2: Convert to fraction form
    369,769.08/510,252.30 = 208,663.32/x
  3. Step 3: Cross multiply
    369,769.08x = 510,252.30 × 208,663.32
  4. Step 4: Simplify right side
    369,769.08x = 106,470,938,955.64
  5. Step 5: Solve for x
    x = 106,470,938,955.64/369,769.08
  6. Step 6: Final answer
    x = 287,939.00

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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.