Home / 191,548.36-287,239.02-65,154.28

Finding the Fourth Proportional to 191,548.36, 287,239.02 and 65,154.28

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Solution

The fourth proportional to 191,548.36, 287,239.02 and 65,154.28 is: 97,703.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,548.36 : 287,239.02 = 65,154.28 : x
  2. Step 2: Convert to fraction form
    191,548.36/287,239.02 = 65,154.28/x
  3. Step 3: Cross multiply
    191,548.36x = 287,239.02 × 65,154.28
  4. Step 4: Simplify right side
    191,548.36x = 18,714,851,536.01
  5. Step 5: Solve for x
    x = 18,714,851,536.01/191,548.36
  6. Step 6: Final answer
    x = 97,703.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.