Home / 191,547.36-287,237.52-65,153.28

Finding the Fourth Proportional to 191,547.36, 287,237.52 and 65,153.28

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Solution

The fourth proportional to 191,547.36, 287,237.52 and 65,153.28 is: 97,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,547.36 : 287,237.52 = 65,153.28 : x
  2. Step 2: Convert to fraction form
    191,547.36/287,237.52 = 65,153.28/x
  3. Step 3: Cross multiply
    191,547.36x = 287,237.52 × 65,153.28
  4. Step 4: Simplify right side
    191,547.36x = 18,714,466,567.07
  5. Step 5: Solve for x
    x = 18,714,466,567.07/191,547.36
  6. Step 6: Final answer
    x = 97,701.51

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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.