Home / 314,557.81-434,094.73-171,317.75

Finding the Fourth Proportional to 314,557.81, 434,094.73 and 171,317.75

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Solution

The fourth proportional to 314,557.81, 434,094.73 and 171,317.75 is: 236,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,557.81 : 434,094.73 = 171,317.75 : x
  2. Step 2: Convert to fraction form
    314,557.81/434,094.73 = 171,317.75/x
  3. Step 3: Cross multiply
    314,557.81x = 434,094.73 × 171,317.75
  4. Step 4: Simplify right side
    314,557.81x = 74,368,132,430.46
  5. Step 5: Solve for x
    x = 74,368,132,430.46/314,557.81
  6. Step 6: Final answer
    x = 236,421.19

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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.