Home / 201,094.02-277,407.10-128,420.52

Finding the Fourth Proportional to 201,094.02, 277,407.10 and 128,420.52

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Solution

The fourth proportional to 201,094.02, 277,407.10 and 128,420.52 is: 177,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,094.02 : 277,407.10 = 128,420.52 : x
  2. Step 2: Convert to fraction form
    201,094.02/277,407.10 = 128,420.52/x
  3. Step 3: Cross multiply
    201,094.02x = 277,407.10 × 128,420.52
  4. Step 4: Simplify right side
    201,094.02x = 35,624,764,033.69
  5. Step 5: Solve for x
    x = 35,624,764,033.69/201,094.02
  6. Step 6: Final answer
    x = 177,154.77

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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.