Home / 341,779.23-512,666.69-139,374.54

Finding the Fourth Proportional to 341,779.23, 512,666.69 and 139,374.54

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Solution

The fourth proportional to 341,779.23, 512,666.69 and 139,374.54 is: 209,060.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,779.23 : 512,666.69 = 139,374.54 : x
  2. Step 2: Convert to fraction form
    341,779.23/512,666.69 = 139,374.54/x
  3. Step 3: Cross multiply
    341,779.23x = 512,666.69 × 139,374.54
  4. Step 4: Simplify right side
    341,779.23x = 71,452,683,395.20
  5. Step 5: Solve for x
    x = 71,452,683,395.20/341,779.23
  6. Step 6: Final answer
    x = 209,060.93

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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.