Home / 515,526.71-773,303.02-141,548.63

Finding the Fourth Proportional to 515,526.71, 773,303.02 and 141,548.63

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Solution

The fourth proportional to 515,526.71, 773,303.02 and 141,548.63 is: 212,326.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,526.71 : 773,303.02 = 141,548.63 : x
  2. Step 2: Convert to fraction form
    515,526.71/773,303.02 = 141,548.63/x
  3. Step 3: Cross multiply
    515,526.71x = 773,303.02 × 141,548.63
  4. Step 4: Simplify right side
    515,526.71x = 109,459,978,835.48
  5. Step 5: Solve for x
    x = 109,459,978,835.48/515,526.71
  6. Step 6: Final answer
    x = 212,326.50

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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.