Home / 113,826.51-157,096.43-63,528.75

Finding the Fourth Proportional to 113,826.51, 157,096.43 and 63,528.75

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Solution

The fourth proportional to 113,826.51, 157,096.43 and 63,528.75 is: 87,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,826.51 : 157,096.43 = 63,528.75 : x
  2. Step 2: Convert to fraction form
    113,826.51/157,096.43 = 63,528.75/x
  3. Step 3: Cross multiply
    113,826.51x = 157,096.43 × 63,528.75
  4. Step 4: Simplify right side
    113,826.51x = 9,980,139,827.36
  5. Step 5: Solve for x
    x = 9,980,139,827.36/113,826.51
  6. Step 6: Final answer
    x = 87,678.52

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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.