Home / 256,609.02-384,929.28-98,837.94

Finding the Fourth Proportional to 256,609.02, 384,929.28 and 98,837.94

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Solution

The fourth proportional to 256,609.02, 384,929.28 and 98,837.94 is: 148,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,609.02 : 384,929.28 = 98,837.94 : x
  2. Step 2: Convert to fraction form
    256,609.02/384,929.28 = 98,837.94/x
  3. Step 3: Cross multiply
    256,609.02x = 384,929.28 × 98,837.94
  4. Step 4: Simplify right side
    256,609.02x = 38,045,617,080.88
  5. Step 5: Solve for x
    x = 38,045,617,080.88/256,609.02
  6. Step 6: Final answer
    x = 148,262.98

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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.