Home / 191,905.90-264,938.35-133,075.60

Finding the Fourth Proportional to 191,905.90, 264,938.35 and 133,075.60

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Solution

The fourth proportional to 191,905.90, 264,938.35 and 133,075.60 is: 183,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,905.90 : 264,938.35 = 133,075.60 : x
  2. Step 2: Convert to fraction form
    191,905.90/264,938.35 = 133,075.60/x
  3. Step 3: Cross multiply
    191,905.90x = 264,938.35 × 133,075.60
  4. Step 4: Simplify right side
    191,905.90x = 35,256,829,889.26
  5. Step 5: Solve for x
    x = 35,256,829,889.26/191,905.90
  6. Step 6: Final answer
    x = 183,719.36

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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.