Home / 371,211.02-512,271.53-201,445.14

Finding the Fourth Proportional to 371,211.02, 512,271.53 and 201,445.14

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Solution

The fourth proportional to 371,211.02, 512,271.53 and 201,445.14 is: 277,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,211.02 : 512,271.53 = 201,445.14 : x
  2. Step 2: Convert to fraction form
    371,211.02/512,271.53 = 201,445.14/x
  3. Step 3: Cross multiply
    371,211.02x = 512,271.53 × 201,445.14
  4. Step 4: Simplify right side
    371,211.02x = 103,194,609,071.64
  5. Step 5: Solve for x
    x = 103,194,609,071.64/371,211.02
  6. Step 6: Final answer
    x = 277,994.47

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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.