Home / 258,124.02-356,111.64-190,302.21

Finding the Fourth Proportional to 258,124.02, 356,111.64 and 190,302.21

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Solution

The fourth proportional to 258,124.02, 356,111.64 and 190,302.21 is: 262,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,124.02 : 356,111.64 = 190,302.21 : x
  2. Step 2: Convert to fraction form
    258,124.02/356,111.64 = 190,302.21/x
  3. Step 3: Cross multiply
    258,124.02x = 356,111.64 × 190,302.21
  4. Step 4: Simplify right side
    258,124.02x = 67,768,832,098.72
  5. Step 5: Solve for x
    x = 67,768,832,098.72/258,124.02
  6. Step 6: Final answer
    x = 262,543.69

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1.5x scale

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.