Home / 376,172.02-519,117.34-215,030.53

Finding the Fourth Proportional to 376,172.02, 519,117.34 and 215,030.53

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Solution

The fourth proportional to 376,172.02, 519,117.34 and 215,030.53 is: 296,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,172.02 : 519,117.34 = 215,030.53 : x
  2. Step 2: Convert to fraction form
    376,172.02/519,117.34 = 215,030.53/x
  3. Step 3: Cross multiply
    376,172.02x = 519,117.34 × 215,030.53
  4. Step 4: Simplify right side
    376,172.02x = 111,626,076,752.39
  5. Step 5: Solve for x
    x = 111,626,076,752.39/376,172.02
  6. Step 6: Final answer
    x = 296,742.10

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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.