Home / 118,750.29-163,875.63-64,303.05

Finding the Fourth Proportional to 118,750.29, 163,875.63 and 64,303.05

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Solution

The fourth proportional to 118,750.29, 163,875.63 and 64,303.05 is: 88,738.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,750.29 : 163,875.63 = 64,303.05 : x
  2. Step 2: Convert to fraction form
    118,750.29/163,875.63 = 64,303.05/x
  3. Step 3: Cross multiply
    118,750.29x = 163,875.63 × 64,303.05
  4. Step 4: Simplify right side
    118,750.29x = 10,537,702,829.67
  5. Step 5: Solve for x
    x = 10,537,702,829.67/118,750.29
  6. Step 6: Final answer
    x = 88,738.33

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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.