Home / 190,077.02-261,876.14-156,031.58

Finding the Fourth Proportional to 190,077.02, 261,876.14 and 156,031.58

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Solution

The fourth proportional to 190,077.02, 261,876.14 and 156,031.58 is: 214,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,077.02 : 261,876.14 = 156,031.58 : x
  2. Step 2: Convert to fraction form
    190,077.02/261,876.14 = 156,031.58/x
  3. Step 3: Cross multiply
    190,077.02x = 261,876.14 × 156,031.58
  4. Step 4: Simplify right side
    190,077.02x = 40,860,947,763.03
  5. Step 5: Solve for x
    x = 40,860,947,763.03/190,077.02
  6. Step 6: Final answer
    x = 214,970.47

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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.