Home / 147,648.31-203,774.13-83,973.80

Finding the Fourth Proportional to 147,648.31, 203,774.13 and 83,973.80

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Solution

The fourth proportional to 147,648.31, 203,774.13 and 83,973.80 is: 115,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,648.31 : 203,774.13 = 83,973.80 : x
  2. Step 2: Convert to fraction form
    147,648.31/203,774.13 = 83,973.80/x
  3. Step 3: Cross multiply
    147,648.31x = 203,774.13 × 83,973.80
  4. Step 4: Simplify right side
    147,648.31x = 17,111,688,547.23
  5. Step 5: Solve for x
    x = 17,111,688,547.23/147,648.31
  6. Step 6: Final answer
    x = 115,894.92

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1.5x scale

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.