Home / 127,258.36-175,622.04-70,669.76

Finding the Fourth Proportional to 127,258.36, 175,622.04 and 70,669.76

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Solution

The fourth proportional to 127,258.36, 175,622.04 and 70,669.76 is: 97,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,258.36 : 175,622.04 = 70,669.76 : x
  2. Step 2: Convert to fraction form
    127,258.36/175,622.04 = 70,669.76/x
  3. Step 3: Cross multiply
    127,258.36x = 175,622.04 × 70,669.76
  4. Step 4: Simplify right side
    127,258.36x = 12,411,167,417.51
  5. Step 5: Solve for x
    x = 12,411,167,417.51/127,258.36
  6. Step 6: Final answer
    x = 97,527.32

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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.