Home / 236,547.36-326,507.72-145,931.52

Finding the Fourth Proportional to 236,547.36, 326,507.72 and 145,931.52

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Solution

The fourth proportional to 236,547.36, 326,507.72 and 145,931.52 is: 201,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,547.36 : 326,507.72 = 145,931.52 : x
  2. Step 2: Convert to fraction form
    236,547.36/326,507.72 = 145,931.52/x
  3. Step 3: Cross multiply
    236,547.36x = 326,507.72 × 145,931.52
  4. Step 4: Simplify right side
    236,547.36x = 47,647,767,871.33
  5. Step 5: Solve for x
    x = 47,647,767,871.33/236,547.36
  6. Step 6: Final answer
    x = 201,430.14

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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.